Steam-generator.



No. 698,403. 'pafentad Apr. 22; 19u-2.

c. A. KITTS, Decd. H W. KITTS, Admnistratrix. STEAM GENERATOR.

(Appneahon med :une a, 1901.)

(No Model.)

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l WITNESSES.- mail d! TT ORN YS.

UNITED STATES PATENT OFFICE.

CHARLES A. KITTS, OF OSWEGO, NEW YORK; HARRIET W. KITTS, ADMIN- IS'IRATRIX OF SAID CHARLES A. KIT'IS, DECEASED, ASSIGNOR TO STEAM CARRIAGE COILER COMPANY, OF OSWEGO, NEW YORK, A CORPORATION OF NEW YORK. i

STEAM-G EN ERATO R. p

SELECIFICATION forming part of Letters Patent No. 698,403, dated April. 22,' 1902.

Application led June 3, 1901. Serial No. 63,022. (No model.)

To @altI/071,017@ t may concern:

Be it known that I, CHARLES A. KITTs, of Oswego, in the county of Oswego,in the State of New York, have invented new and useful Improvementsin Steam-Generators, of which the following, taken in connection with the accompanying drawings, is a full, clear, and exact description.

This invention relates to improvements in x steam-generators which are particularly apr plicable to locomobile and similar uses in which economyin space and a high degree of pressure are theessential requisites.

The object of my invention is to construct a steam-generator from two or more hollow sections, so as to formone complete integral shell without joints or external peripheral projections, and to provide said shell with an internal diaphragm or dry-plate for dividing the interior of the shell into water and steam compartments and also to connect the opposite heads of the shell with a series of iues passing through the apertures formed in the diaphragm or dry-plate.

To this end the invention consists in the construction and arrangement of the parts of ing the adjacent edges of the sections to each other. Fig. 2 is a perspective view of my generator after the same has been welded and finished. Fig. 3 is a sectional view taken on line 3 3, Fig. 2. Fig. 4 is a perspective view of the detached dry-plate or diaphragm. 5 is an enlarged detail sectional view taken on lines 5 5, Fig. 1.

Similar reference characters indicate corresponding parts in all the views.

As seen in the drawings, and particularly at Figs. 1 and 3,`this invention consists of lower and upper sections 1 and 2, a dry-plate or diaphragm 3, and a series of iiues 4. The sections 1 and 2 may be of any desired form ceiving, respectively, a water-feed pipe 11 and a steam-outlet conduit 12.

substantially parallel with the heads 5 and preferably in closer proximity to the upper head 6 than to the lower head for dividing the interior of the shell into lower and upper compartments, the lower compartment being adapted to receive the water and the upper compartment being arranged to receive the steam, and is provided with apertures 14 for receiving the flues 4 and with additional smaller apertures 15 for permitting the passage of the steam from the lower to the upper compartments. It is evident, however, that the flue-openings in the diaphragm may be of sufficient size to permit the passage "of said steam to the upper compartment.

The adjacent open ends of theinclosing walls of each of the sections l and 2 are formed of substantially the same diameter as therernaining portions of said walls and are placed edge to edge and welded together by any suitable process, preferably by electricity, in the manner well known under this process. Prior to welding the opposite sections to each other the dry-plate or diaphragm 3 is placed within one of said sections, as the upper section 2, in proximity to its end wall or head 6, but separated a sufticient distance therefrom for forminga suitable steam-chamber between the dry-plate and adjacent head 6.

As seen in the drawings, particularly Fig. 1, the lower or upper sections 1 and 2 are formed of substantially equal size-that is, the division-line or line of weld is subst-antially equidistant from the opposite heads 5 and G, and it is apparent that by arranging the dry-plate as just described the heat incidental to the welding of the adjacent ends of 1 the sections 1 and 2 will not injure in any way the dry-plate. This diaphragm is permanently located in the upper section before the boiler-sections are welded together, and although l have provided means for holding the dry-plate from end wise movement I have also shown means for permitting a slight rotary movement of the plate independently of the boiler-section which supports the same. This means preferably consists of suitable studs or screws 13, engaged with threaded apertures 16 in the upper boiler-section 5, said studs or screws extending inwardly from the shell into recesses or slots 17, formed in the annular ange 18 of the dry-plate 3. The upper and lower edges of the' slots are adapted to engage the in wardly-projecting ends of the studs or screws 13, said slots being of sufficient length to permit the slight rotary movement previously mentioned, while the diaphragm is of substantially the same diameter as the inner diameter of the boiler-section supporting the same, yet said diaphragm is sufficiently loose to permit its free rotary movement during the assembling of the filles.

It is apparent that the dry-plate or diaphragm 3 may be formed of slightly less diameter than the shell for the purpose of forming a steam-passage from the lower compartment to the steam-chamber; but it is usually suiiicient to enlarge the Hue-openings slightly and to provide the steam-passages l5, as previously described. This enlargement of the tine-openings also serves to facilitate the slight rotary movement of the diaphragm when the iiues are being inserted.

The operation of my invention is as follows: The dry-plate or diaphragm 3 is placed in position within the upper end of the upper section of the boiler. The studs orscrews 13 are then inserted into the openings 16 in said section with their inner ends alined With and projecting into 4the slots 17 in the liange 18, these studs serving to hold the diaphragm from further endwise movement. The adjacent ends of the boiler sections are then brought together by any desired means and electrically welded together in the manner Well known to those skilled in the art. The boiler-fines et are then inserted through the due-apertures in the opposite heads of the boiler-sections and diaphragm and secured at their opposite ends to said heads by swaging or expanding. If for any reason the apertures in the diaphragm should be slightly out of alinement with the apertures in the heads, it is apparent that the diaphragm may be slightly rotated either by the end of the line or by a suitable tool inserted through the adjacent head. This is a particularly important feature of my invention, for the reason that it obviates the necessity for bending the tubes when being inserted, which bending injures the tube more or less and materially adds to the time and labor, and therefore the expense, in assembling the parts of the boiler.

The dry-plate or diaphragm is for the purpose of preventing the foaming or splashing of the water into the steam-chamber and renders the boiler particularly applicable for locomobile use. At the same time it Will be apparent that by extending the fire-dues through the steam-chamber the steam is superheated and its expansive force thereby increased, and the discharge of the water-saturated steam from the steam-outlet pipe or conduit is reduced to a minimum.

The operation of my invention will now be readily understood upon reference to the foregoing description and the accompanying drawings, and it will be noted that by forming the boiler of two sections welded together at their meeting edges a particularly strong steam-generator is produced without rivets or other securing means, which tends to materially weaken boilers of this class, as it is well-known they are subjected to extremely high pressure. A further advantage is that there are no external projections upon the boiler, thereby economizing the space occupied by said boiler when in use.

Having thus fully described my invention, what I claim, aud desire to secure by Letters Patent, is-

1. A steam generator comprising oppositely-arranged sections having their adjacent edges welded to each other, and a dia-v phragm loosely supported between the end walls of said sections, at one side of the meeting ends of the sections.

2. A steam generator comprising oppositely-arranged shells having adjacent ends open and Welded to each other and their opposite ends provided with perforated heads, a perforated diaphragm loosely supported in one of the heads at one side of their welded ends and capable of movement independently of the shell, and ues inserted through the apertures of the heads and diaphragm and secured to the heads.

3. A steam-boiler having oppositely-perforated heads, in combination with a perforated diaphragm loosely mounted in the boiler' and capable of independent rotary motion, means projecting from the sides of the boiler to support the diaphragm and fluesinserted through the heads and diaphragm and secured to the heads.

4E. A steam-boiler having opposite perforated heads and studs projecting inwardly from its side walls, in combination with a perforated diaphragm having elongated slots receiving the studs for supporting the diaphragm and permitting the diaphragm to be partially rotated independently of the boilershell.

5. A steam boiler comprising opposite shell-sections having adjacent ends open and IOO Welded to each other and provided with per- In witness whereof I have hereunto seb my fora'ed heads and studs projecting inwardly hand lhis 21st day of May,` 1901.

from its side Walls a perforated diaphragm wit-,hin the boiler having an annularilange CHARLES A' KITTS 5 provided with elongated slots receiving said Witnesses:

studs for permitting 'partial rotation of the n H. E. CHASE, v diaphragm independently of theboiler-shell. MILDRED lVL NOTT.

It is hereby certified that the nameof the assignee in Letters Patent No. 698,403, granted April 22, 1902, upon the application of Charles A. Kitts, of Oswego, New York, for an improvement in Steam Generators, was erroneously Written and printed the uSteam Carriage Coiler Co1npany,7 Whereas said name should have been Written and `printed the Steam Carriage Boiler Company; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealedthis 13th day of May, A. D., 1902.

[SEAL] F. I. ALLEN,

Commissioner of Patents. 

